Isosulfan blue

Drug ingredient

CAS 68238-36-8

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 68238-36-8 — 1 Na⁺

US productionNot reported

Top sourceNo public record

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

10 FDA-registered drug labelers

Agno Pharma Jiangsu

Aurobindo Pharma Limited

Azico Biophore India Private Limited

Cohance Lifesciences Limited

Emcure Pharmaceuticals Limited

Eugia US LLC

Meitheal Pharmaceuticals Inc.

MSN Laboratories Private Limited

Mylan Institutional LLC

Somerset Therapeutics, LLC

Why It Matters

Sectors

Health

Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

•Isosulfan Blue

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Vendor Pricing

$199.00/gBLD Pharmatech Ltd.

CountryChina

Pack$995.00 / 5 g

Purity99%

Vendors12 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

11 more vendors

Vendor	Country	$/g	Pack	Purity
Ambeed, Inc.	United States	$199.00	5 g	99%
Combi-Blocks, Inc.	United States	$199.00	5 g	95%
BLD Pharmatech Co., Limited	United States	$330.00	1 g	99%
AstaTech, Inc	United States	$367.00	1 g	95%
Synthonix	United States	$410.00	1 g	98%
BLD Pharmatech GmbH	Germany	$480.00	250 mg	99%
TargetMol Chemicals	China → United States	$1980.00	200 mg	99.99%
TargetMol Chemicals EU	Austria	$2790.00	100 mg	99.99%
TargetMol Chemicals US	United States	$4000.00	50 mg	99.99%
Molnova	China	$5970.00	100 mg	99%
MedChemExpress MCE	Sweden	$9994.60	100 mg	99.81%

Chemical Identity

CAS68238-36-8

PubChem CID50108

DTXSIDDTXSID8057805

FormulaC27H31N2NaO6S2

Mol. Weight566.7 g/mol

SMILESCCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=C(C=CC(=C3)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+]

Data Sources

PubChem · compound 50108Retrieved 2026-04-07
FDA National Drug Code directoryRetrieved 2026-04-25
FDA National Drug Code directoryRetrieved 2026-04-07

← Back to Dashboard ← Back to Health

Brief citations

Isosulfan blue (CAS 68238-36-8) https://chemicalindependence.com/chemical/68238-36-8/ PubChem: 50108. Retrieved 2026-04-07. https://pubchem.ncbi.nlm.nih.gov/compound/50108 FDA National Drug Code directory: CAS 68238-36-8. Retrieved 2026-04-25. https://open.fda.gov/data/ndc/ FDA National Drug Code directory: bulk match. Retrieved 2026-04-07. https://open.fda.gov/data/ndc/